When Lucy's parents are killed in a train crash, her kindly uncle steps in to look after the little girl - to the initial apprehension of his wife and her son. However, Lucy's sweet, spirited charm slowly wins over her new family, and as she overcomes the trauma of her childhood, she grows up inspired to become a doctor, just like her father. But studying medicine in London means she has to battle to be accepted in a man's world. With the First World War, an even greater challenge approaches. Will Lucy be able to follow her dreams - and find love - in a world shattered by war?